D-pi Production Correlations in 500 GeV pi- N Interactions

Details D-pi Production Correlations in 500 GeV pi- N Interactions D-pi Production Correlations in 500 GeV pi- N Interactions

2000-08-24

arxiv.org/abs/hep-ex/0008061v1

DPF'96: The Minneapolis Meeting (11-15 August 1996) 868-870

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, 1 figure, LaTex, Fermilab E791 Collaboration

Scientific paper

We study the charge correlations between charm mesons produced in 500 GeV pi- N interactions and the charged pions produced closest to them in phase space. With 110,000 fully reconstructed D mesons from experiment E791 at Fermilab, the correlations are studied as functions of the D-pi - D mass difference and of Feynman x. We observe significant correlations which appear to originate from a combination of sources including fragmentation dynamics, resonant decays, and charge of the beam.

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